The parking ticket machine might make things deliberately slow because the printer needs to warm up or something.
Maybe it needs up to 5 seconds to warm up if it's in deep sleep, so splitting this into three 2s periods provides the least frustrating user experience.
As soon as you need to deal with real hardware things always start to get complicated.
Maybe it needs up to 5 seconds to warm up if it's in deep sleep, so splitting this into three 2s periods provides the least frustrating user experience.
As soon as you need to deal with real hardware things always start to get complicated.